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Select Lessons (14)
Acid-Base Equilibrium
Atomic Structure And Related Patterns In The Periodic Table
Bonding And Structure, And Intermolecular Forces
Chemical Equilibrium
D-Block Elements (Transition Elements)
DESCRIPTIVE INORGANIC CHEMISTRY: Group IV (14)
DESCRIPTIVE INORGANIC CHEMISTRY: Halogens (GROUP VII or 17)
DESCRIPTIVE INORGANIC CHEMISTRY: Modern Periodic Table, Periodicity And S-Block Elements
Functional Group Chemistry And Reaction Mechanism
ORGANIC CHEMISTRY: Fundamentals
Raoult’s Law And Phase Equilibria
Reaction Kinetics
Redox  Equilibrium
The Mole Concept
5/70 MCQs for:
Atomic Structure And Related Patterns In The Periodic Table
Experiments with cathode rays led to the discovery of the:
Nucleus
Electron
Proton
Neutron
There are ... possible values for the magnetic quantum number of an electron in a 5f subshell.
7
14
3
5
The beta decay of cesium-137 has a half-life of 30.0 years. How many years must pass to reduce a 25 mg sample of cesium-137 to 8.7 mg?
46 yrs
32 yrs
52 yrs
3.2 yrs
In Rutherford's experiments, most of the particles:
passed through the foil.
were absorbed by the foil.
combined with the foil.
were sent back to the source.
The lines in the emission spectrum of hydrogen result from:
electrons given off by hydrogen when it burns
decomposing hydrogen atoms
energy given off in the form of visible light when an electron moves from a higher energy state to a lower energy state
electrons given off by hydrogen as it cools
